EP 3686564 B1 20230809 - OPTICAL MEASUREMENT DEVICE, OPTICAL MEASUREMENT METHOD, COMPUTER PROGRAM, AND RECORDING MEDIUM
Title (en)
OPTICAL MEASUREMENT DEVICE, OPTICAL MEASUREMENT METHOD, COMPUTER PROGRAM, AND RECORDING MEDIUM
Title (de)
OPTISCHE MESSVORRICHTUNG, OPTISCHES MESSVERFAHREN, COMPUTERPROGRAMM UND AUFZEICHNUNGSMEDIUM
Title (fr)
DISPOSITIF DE MESURE OPTIQUE, PROCÉDÉ DE MESURE OPTIQUE, PROGRAMME D'ORDINATEUR ET SUPPORT D'ENREGISTREMENT
Publication
Application
Priority
JP 2017034095 W 20170921
Abstract (en)
[origin: EP3686564A1] An optical measurement apparatus is provided with: a light source configured to irradiate a measurement target in which fluid flows, with light; a light receiver configured to receive scattered light of irradiated light from the measurement target and configured to output a light receiving signal corresponding to intensity of the scattered light; a disturbance generator configured to generate a disturbance signal for fluctuating a drive current, which is supplied to said light source; and an adjuster configured to adjust the drive current on the basis of a result of a comparison between a signal generated on the basis of the light receiving signal and the disturbance signal.
IPC 8 full level
G01F 1/661 (2022.01); A61B 5/0285 (2006.01); A61M 1/36 (2006.01); G01F 1/66 (2022.01); G01P 5/26 (2006.01)
CPC (source: EP US)
A61B 5/0261 (2013.01 - US); A61B 5/0285 (2013.01 - EP US); A61M 1/36 (2013.01 - EP); A61M 1/3663 (2013.01 - US); G01F 1/66 (2013.01 - EP); G01F 1/661 (2013.01 - EP US); G01P 5/26 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3686564 A1 20200729; EP 3686564 A4 20210505; EP 3686564 B1 20230809; CN 111213037 A 20200529; CN 111213037 B 20211112; JP 6771676 B2 20201021; JP WO2019058482 A1 20201001; US 11566927 B2 20230131; US 2020284628 A1 20200910; WO 2019058482 A1 20190328
DOCDB simple family (application)
EP 17925672 A 20170921; CN 201780095050 A 20170921; JP 2017034095 W 20170921; JP 2019542891 A 20170921; US 201716648993 A 20170921